Home / 201,918-440,512

Finding the Third Proportional to 201,918 and 440,512

Calculator

Solution

The third proportional to 201,918 and 440,512 is: 961,037.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,918 : 440,512 = 440,512 : x
  2. Step 2: Convert to fraction form
    201,918/440,512 = 440,512/x
  3. Step 3: Cross multiply
    201,918x = 440,512 × 440,512
  4. Step 4: Simplify right side
    201,918x = 194,050,822,144
  5. Step 5: Solve for x
    x = 194,050,822,144/201,918
  6. Step 6: Final answer
    x = 961,037.76

Related Problems

Find third proportional to 100,959 and 220,256
Half scale
Find third proportional to 403,836 and 881,024
Double scale
Find third proportional to 201,920 and 440,516
Similar ratio
Find third proportional to 302,877 and 660,768
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.